231254455013 has 4 divisors (see below), whose sum is σ = 231255837120. Its totient is φ = 231253072908.

The previous prime is 231254454989. The next prime is 231254455021. The reversal of 231254455013 is 310554452132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231254455013 - 2²⁸ = 230986019557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231254455073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398903 + ... + 788436.

It is an arithmetic number, because the mean of its divisors is an integer number (57813959280).

Almost surely, 2^231254455013 is an apocalyptic number.

It is an amenable number.

231254455013 is a deficient number, since it is larger than the sum of its proper divisors (1382107).

231254455013 is a wasteful number, since it uses less digits than its factorization.

231254455013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382106.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 231254455013 in words is "two hundred thirty-one billion, two hundred fifty-four million, four hundred fifty-five thousand, thirteen".